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A beam of negligible mass is supported by two cables when a load P is applied. If P is 100 Ib, find the tension in the cables, their elongation, and the minimum thickness of the beam if it is to be made of aluminum.
helium gas contains trace amounts of methane. Consider a helium balloon pressurized to 5 psi. If methane molar mixing ratio is 800 ppmv, what is the pressure of methane in the balloon
under what circumstances is there an exception to the general law that an identified original section corner controls the positions of the boundary lines meeting at or passing through the corner
Soil is excavated from a borrow to construct an embankment with a net volume of 50,000 cy. This is performed by compacting 12-in layers of the soil to a dry weight of 110 pcf at a moisture content of 18%.
How much will be in a high-yield account at the National Bank of Arizona 12 years from now if you deposit $5000 now and $7000 fi ve years from now. The account earns interest at a rate of 8% per year, compounded quarterly
Water is pumped from the tank 1 to tank 2 as shown below. The suction side pipe is nominal 5, schedule 40, 24 ft long, f = 0.018, and the discharge pipe is nominal 4, schedule 40, f = 0.019
The initial investment is $12,000 , there is no annual maintenance cost for the first 3 years , however , it will be $2,000 in each of years four and five , and then $4,500 in the sixth year and increasing by $2,500 each year thereafter .
A circular beam length 36 inches and diameter 1 inch is supported on the left end by a pin joint and the right end with a roller. The beam is under axial tension with forces of 1000 lbs out of each end.
An open system Brayton cycle has a heat input of 500 kW. The pressure ratio of is 15 and the mass flow rate of air through the engine is 1 kg/s. Right before compression the temperature of the air is 273K and the pressure is 70 kPa.
Estimate the buoyant force on 10'x10' by 2' deep balsa (SG=0.2) raft with you in it. How deep is it in the water? Be sure to draw well leveled schematic of the system.
Find parametric equations of the straight line that passes through the point A (1, 5, -3) and is orthogonal to the plane 2x + y - 3 z = 2 and At what point does this line intersect the plane?
A plastic bar fit snugly between rigid supports at room temp. (68)but with no initial stress. When the temperature of a bar israised to 160 F the compressive stress on an inclined plane pqbecomes 1700 psi. a) What is the shear stress on the planepq? ..
a). Determine the state of stresses in the walls and indicate these stresses (including arrows to denote the direction of the stresses) on the element below. b). Then, determine the maximum in-plane shear stress on the wall of the pipe using Mohr's..
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